E1 - Blind Auditions 1

Aired: January 10, 2015

The singing contest returns for a fourth series as Rita Ora joins the panel.

E2 - Blind Auditions 2

Aired: January 17, 2015

The coaches assess the vocal talents of another ten hopefuls.

E3 - Blind Auditions 3

Aired: January 24, 2015

To Sir Tom's delight, this edition sees many Welsh faces behind the spinning chairs.

E4 - Blind Auditions 4

Aired: January 31, 2015

The blind auditions continue with surprises including trumpet-playing Dawn.

E5 - Blind Auditions 5

Aired: February 07, 2015

The blind auditions continue and include a celebrity chauffeur booker and an Essex rapper.

E6 - Blind Auditions 6

Aired: February 14, 2015

The judges hear from Beckenham duo the Rise, poet Lara Lee and Damian Dalton Smith.

E7 - Blind Auditions 7

Aired: February 21, 2015

The blind auditions come to an end as the coaches complete their teams.

E8 - Battles 1

Aired: February 28, 2015

Emma and Marvin present as the coaches pair up their acts to battle it out against each other in head-to-head musical performances.

E9 - Battles 2

Aired: March 07, 2015

In a nail-biting final battle, the remaining artists of each team take to the stage.

E10 - Knockout 1

Aired: March 14, 2015

The coaches must choose the best three acts from their team to continue to the live shows.

E11 - Knockout 2

Aired: March 15, 2015

The coaches must choose the best three acts from their team to continue to the live shows.

E12 - Live Quarter Final

Aired: March 21, 2015

Featuring live performances from Olly Murs and 2014's winner Jermain Jackman.

E13 - Live Quarter Final Results

Aired: March 21, 2015

Emma Willis and Marvin Humes reveal the results of the public vote.

E14 - Live Semi-Final

Aired: March 28, 2015

The semi-final sees the coaches' remaining eight acts perform live in front of the nation.

E15 - Live Final

Aired: April 04, 2015

The final four artists face the public vote in a bid to be crowned the winner.